.page-contact {
  --ch-surface: #0B2A20;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-sans);
}

.page-contact .section {
  padding: clamp(44px, 6vw, 88px) 0;
}

.page-contact a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-contact .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact h2 {
  margin: 12px 0 0;
  font-family: var(--font-narrow);
  font-weight: 800;
  font-size: clamp(23px, 3.2vw, 34px);
  line-height: 1.24;
  color: var(--white);
  text-wrap: balance;
}

.page-contact h3 {
  margin: 0;
  font-size: clamp(16px, 1.8vw, 19px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

/* 面包屑 */
.page-contact .breadcrumb {
  padding-top: clamp(16px, 2.6vw, 28px);
}

.page-contact .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--stone);
}

.page-contact .breadcrumb__list li::after {
  content: "/";
  margin-left: 6px;
  color: rgba(174, 184, 178, 0.45);
}

.page-contact .breadcrumb__list li:last-child::after {
  content: none;
}

.page-contact .breadcrumb__list a {
  color: var(--cyan);
  text-decoration: none;
}

.page-contact .breadcrumb__list a:hover {
  text-decoration: underline;
}

/* 首屏 */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  margin-top: clamp(14px, 2vw, 24px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(120% 90% at 78% 8%, rgba(111, 242, 210, 0.16), transparent 62%),
    linear-gradient(180deg, rgba(6, 26, 20, 0.62) 0%, rgba(6, 26, 20, 0.94) 64%, var(--ink) 100%);
}

.page-contact .contact-hero__inner {
  max-width: 46em;
  padding: clamp(46px, 8vw, 104px) 0 clamp(34px, 5vw, 62px);
}

.page-contact h1 {
  margin: 14px 0 0;
  font-family: var(--font-narrow);
  font-weight: 800;
  font-size: clamp(31px, 5.6vw, 60px);
  line-height: 1.1;
  letter-spacing: 0.01em;
  color: var(--white);
  text-wrap: balance;
}

.page-contact .contact-hero__lede {
  max-width: 34em;
  margin: 20px 0 0;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--stone);
}

/* 联系台账 */
.page-contact .contact-ledger {
  border-bottom: 1px solid var(--line);
}

.page-contact .ch-ledger__note {
  max-width: 34em;
  margin: 22px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--stone);
}

.page-contact .ch-channel {
  display: block;
  position: relative;
  margin-top: 14px;
  padding: clamp(18px, 2.6vw, 30px) clamp(16px, 2.4vw, 28px);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  background: linear-gradient(115deg, rgba(30, 74, 58, 0.55), rgba(11, 42, 32, 0.35));
  color: var(--paper);
  text-decoration: none;
  transition:
    border-color var(--dur-2) var(--ease),
    background var(--dur-2) var(--ease),
    transform var(--dur-2) var(--ease);
}

.page-contact .ch-channel:hover,
.page-contact .ch-channel:focus-visible {
  border-left-color: var(--orange);
  background: linear-gradient(115deg, rgba(30, 74, 58, 0.9), rgba(11, 42, 32, 0.55));
  transform: translateX(3px);
}

.page-contact .ch-channel__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--stone);
}

.page-contact .ch-channel__value {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  font-size: clamp(16px, 3.3vw, 34px);
  line-height: 1.22;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .ch-channel__hint {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-contact .ch-channel:hover .ch-channel__hint,
.page-contact .ch-channel:focus-visible .ch-channel__hint {
  color: var(--orange);
}

/* 窄栏 */
.page-contact .ch-side {
  margin-top: clamp(28px, 4vw, 0px);
}

.page-contact .ch-hours {
  margin-top: clamp(10px, 1.6vw, 16px);
  padding: clamp(18px, 2.6vw, 26px);
  border: 1px solid var(--line);
  background: var(--ch-surface);
  box-shadow: var(--ink-shadow);
}

.page-contact .ch-hours__title {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .ch-ruler__track {
  height: 6px;
  border-radius: 999px;
  background: rgba(174, 184, 178, 0.16);
  overflow: hidden;
}

.page-contact .ch-ruler__fill {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, rgba(30, 74, 58, 0.9), var(--cyan) 70%, var(--cyan-bright));
}

.page-contact .ch-ruler__marks {
  display: flex;
  justify-content: space-between;
  margin-top: 9px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  color: var(--stone);
}

.page-contact .ch-hours__text {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--stone);
}

.page-contact .ch-address {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-style: normal;
  font-size: 14px;
  line-height: 1.85;
  color: var(--stone);
}

.page-contact .ch-address strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .ch-side-media {
  margin: 20px 0 0;
  border: 1px solid var(--line);
  background: var(--ch-surface);
  overflow: hidden;
}

.page-contact .ch-side-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* 咨询前准备 */
.page-contact .contact-prep {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 52px);
  padding: clamp(22px, 3.6vw, 46px);
  border: 1px solid var(--line);
  background: linear-gradient(140deg, rgba(30, 74, 58, 0.44), rgba(11, 42, 32, 0.85) 64%);
  overflow: hidden;
}

.page-contact .contact-prep::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), var(--cyan) 58%, transparent);
}

.page-contact .contact-prep__intro p {
  max-width: 30em;
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--stone);
}

.page-contact .contact-prep__intro a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .ch-checklist {
  counter-reset: prep;
  display: grid;
  gap: 15px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .ch-checklist li {
  counter-increment: prep;
  position: relative;
  padding-left: 42px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--stone);
}

.page-contact .ch-checklist li::before {
  content: counter(prep, decimal-leading-zero);
  position: absolute;
  top: 1px;
  left: 0;
  padding: 2px 6px;
  border: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

/* 常见场景 */
.page-contact .ch-scenarios {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: clamp(22px, 3vw, 34px);
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .ch-scenario {
  padding: clamp(18px, 2.6vw, 30px);
  background: var(--ch-surface);
  border-left: 2px solid transparent;
  transition:
    background var(--dur-2) var(--ease),
    border-color var(--dur-2) var(--ease);
}

.page-contact .ch-scenario:hover {
  background: var(--moss);
  border-left-color: var(--orange);
}

.page-contact .ch-scenario p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--stone);
}

.page-contact .ch-scenario a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 合作条带 */
.page-contact .ch-band {
  padding: clamp(40px, 6vw, 80px) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(
      104deg,
      rgba(30, 74, 58, 0.92) 0%,
      rgba(30, 74, 58, 0.66) 33%,
      rgba(11, 42, 32, 0.97) 33.5%,
      var(--ink-2) 100%
    );
}

.page-contact .ch-band__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 52px);
}

.page-contact .ch-band__lead p {
  max-width: 32em;
  margin: 16px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--stone);
}

.page-contact .ch-band__list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .ch-band__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--paper);
}

.page-contact .ch-band__list li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 9px;
  height: 1px;
  background: var(--cyan);
}

.page-contact .ch-band__list strong {
  color: var(--cyan);
  font-weight: 600;
}

/* 备案信息 */
.page-contact .ch-filing {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 40px);
  padding: clamp(22px, 3.4vw, 40px);
  border: 1px solid var(--line);
  background: var(--ch-surface);
}

.page-contact .ch-filing__list {
  margin: 0;
}

.page-contact .ch-filing__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .ch-filing__row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--stone);
}

.page-contact .ch-filing__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .ch-filing__note {
  grid-column: 1 / -1;
  margin: 0;
  padding-top: 4px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--stone);
}

.page-contact .ch-filing__note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 响应式 */
@media (min-width: 520px) {
  .page-contact .ch-filing__row {
    grid-template-columns: 104px 1fr;
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 760px) {
  .page-contact .ch-scenarios {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-prep {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .page-contact .ch-band__inner {
    grid-template-columns: 1.05fr 1fr;
    align-items: start;
  }

  .page-contact .ch-filing {
    grid-template-columns: 0.78fr 1.22fr;
    align-items: start;
  }

  .page-contact .ch-side {
    margin-top: 0;
  }
}

@media (max-width: 899px) {
  .page-contact .ch-hours {
    margin-top: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ch-channel,
  .page-contact .ch-scenario {
    transition: none;
  }

  .page-contact .ch-channel:hover,
  .page-contact .ch-channel:focus-visible {
    transform: none;
  }
}
<<<END>>>